3. What role did the government play in either supporting or suppressing African Americans'/Blacks'
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First, calculate the mass of sodium in g with the help of molar mass and number of moles.
Number of moles = (1)
Molar mass of sodium =
Substitute the given value of number of moles and molar mass of sodium in formula (1)
(1)
(1)
mass of sodium in g =
Now, according to conversion factor, 1 g = 1000 mg
So, of sodium =
= of sodium
Thus, mass of sodium in mg =